Record observations, view trends and track progress over the course of the school year.

The DERS measures qualities such as patience and persistence in children, precision and clarity in lessons, and order in the environment, which support the development of executive functions, literacy, and social-emotional learning.

Trained observers use the DERS iPad app to rate 60 research-based environmental attributes over a one hour observation. Printed or emailed reports can be used as an assessment of environmental quality and a tool for continuous improvement.

Training and Certification

Learn to use the DERS

The certification process begins with a one-day online or face-to-face training at your school.

The DERS Network

Join a community of practice

Trained and certified users become members of the DERS Network, with access to tools and support.